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The Olive Sparrow is a species of American sparrow in the family Emberizidae. ...
The Olive Sparrow is the only sparrow with an olive back. It has a brown eye ...
They have a gray belly and an olive colored back. There are rufous-colored ...
It is 14–15.5 centimetres (5.5–6.1 in) long, and is the only sparrow with an ...